projects / lttng-tools.git / blame
| Commit | Line | Data |
|---|---|---|
| daa81f58 JG |
1 | /* |
| 2 | * Copyright (C) 2017 - Jérémie Galarneau <jeremie.galarneau@efficios.com> | |
| 3 | * | |
| 4 | * This library is free software; you can redistribute it and/or modify it | |
| 5 | * under the terms of the GNU Lesser General Public License, version 2.1 only, | |
| 6 | * as published by the Free Software Foundation. | |
| 7 | * | |
| 8 | * This library is distributed in the hope that it will be useful, but WITHOUT | |
| 9 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 10 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License | |
| 11 | * for more details. | |
| 12 | * | |
| 13 | * You should have received a copy of the GNU Lesser General Public License | |
| 14 | * along with this library; if not, write to the Free Software Foundation, | |
| 15 | * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA | |
| 16 | */ | |
| 17 | ||
| 18 | #ifndef LTTNG_CONDITION_INTERNAL_H | |
| 19 | #define LTTNG_CONDITION_INTERNAL_H | |
| 20 | ||
| 21 | #include <lttng/condition/condition.h> | |
| 22 | #include <common/macros.h> | |
| 23 | #include <stdbool.h> | |
| 24 | #include <urcu/list.h> | |
| 25 | #include <stdint.h> | |
| 26 | ||
| 27 | typedef void (*condition_destroy_cb)(struct lttng_condition *condition); | |
| 28 | typedef bool (*condition_validate_cb)(struct lttng_condition *condition); | |
| 29 | typedef ssize_t (*condition_serialize_cb)(struct lttng_condition *condition, | |
| 30 | char *buf); | |
| 31 | typedef bool (*condition_equal_cb)(struct lttng_condition *a, | |
| 32 | struct lttng_condition *b); | |
| 33 | ||
| 34 | struct lttng_condition { | |
| 35 | enum lttng_condition_type type; | |
| 36 | condition_validate_cb validate; | |
| 37 | condition_serialize_cb serialize; | |
| 38 | condition_equal_cb equal; | |
| 39 | condition_destroy_cb destroy; | |
| 40 | }; | |
| 41 | ||
| 42 | struct lttng_condition_comm { | |
| 43 | /* enum lttng_condition_type */ | |
| 44 | int8_t condition_type; | |
| 45 | char payload[]; | |
| 46 | }; | |
| 47 | ||
| 48 | LTTNG_HIDDEN | |
| 49 | void lttng_condition_init(struct lttng_condition *condition, | |
| 50 | enum lttng_condition_type type); | |
| 51 | ||
| 52 | LTTNG_HIDDEN | |
| 53 | bool lttng_condition_validate(struct lttng_condition *condition); | |
| 54 | ||
| 55 | /* | |
| 56 | * FIXME Add explicit buffer bound checking using a "len" parameter to | |
| 57 | * ensure malformed buffers are caught and rejected. | |
| 58 | */ | |
| 59 | LTTNG_HIDDEN | |
| 60 | ssize_t lttng_condition_create_from_buffer(const char *buf, | |
| 61 | struct lttng_condition **condition); | |
| 62 | ||
| 63 | LTTNG_HIDDEN | |
| 64 | ssize_t lttng_condition_serialize(struct lttng_condition *condition, char *buf); | |
| 65 | ||
| 66 | LTTNG_HIDDEN | |
| 67 | bool lttng_condition_is_equal(struct lttng_condition *a, | |
| 68 | struct lttng_condition *b); | |
| 69 | ||
| 70 | #endif /* LTTNG_CONDITION_INTERNAL_H */ |